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LUOYANG MONTON BEARING SCIENCE & TECHNOLOGY CO.,LTD.
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Three Row Pole Industrial Turntable Bearings , Komatsu PC650 Ball Bearing Slewing Ring

LUOYANG MONTON BEARING SCIENCE & TECHNOLOGY CO.,LTD.
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LUOYANG MONTON BEARING SCIENCE & TECHNOLOGY CO.,LTD.
City: Luoyang
Province/State: Henan
Country/Region: China
Contact Person:Mr Dave-Lee

Three Row Pole Industrial Turntable Bearings , Komatsu PC650 Ball Bearing Slewing Ring

Brand Name : MONTON
Model Number : 130.25.500
Certification : ISO9001
Place of Origin : LUOYANG
MOQ : 1
Price : 500USD/pc
Payment Terms : TT
Supply Ability : 1000/pcs/week
Delivery Time : 35days
Packaging Details : single box
Material : 50Mn or 42CrMo
Delivery : 35working days
Accuracy : P0 or P6
Application : excavator
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Three Row Pole Slewing Ring Bearings For Komatsu PC650/PC750 / Heavy Duty excavator


To "slew" means to turn without change of place; a "slewing" bearing is a rotational rolling-element bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis windmill.

Slew ring bearing for tower cranes and excavators

Compared to other rolling-element bearings, slewing bearings are thin in section and are often made in diameters of a metre or more; the slewing bearings on the Falkirk Wheel are 4 metres diameter and fit over a 3.5 metre axle. Slewing bearings resemble oversize aircraft control surface bearings.


Slewing bearings often use two rows of rolling elements. They often use three race elements, such as an inner ring and two outer ring "halves" that clamp together axially.


Slewing bearings are often made with gear teeth integral with the inner or outer race


1, Internal ring
2, External ring
Slewing Ring consist of an internal and external ring with an integrated raceway system and optional internal or external teeth. The normal material is 50Mn.
3, Roller
In Slewing Rings, better rotation and loading transmission are achieved by special design and precision production of the rolling elements.
4, Spacer
Spacers separate the rolling elements and minimize friction and wear.
5, Mounting Holes
The force is transmitted to the mounting structure by bolts. Through holes or threaded holes can be provided in the inner and outer rings for these bolts.
6, Sealing
Polymer seals protect the Slewing Rings from normal dirt penetration, dust and loss of lubricant.
7, Plug hole
The rolling elements are inserted during manufacture through the filling plug hole, retained by the filling plug which is then secured by a pin.
8, Gear
Slewing Rings are designed with optional internal or external gear.
9, Grease nipple
Slewing Rings are designed for grease lubrication which is carried out via grease nipples.
10, ID Bearing type and serial No.

Three Row Pole Slewing Ring Bearing For Komatsu PC650 / PC750 / Heavy Duty excavator

Gear Heat Treatment


The hardness is in range of HRC50~60, according to the different applications, the gears have the
three types of tooth quenching as follow.

Three Row Pole Slewing Ring Bearing For Komatsu PC650 / PC750 / Heavy Duty excavatorThree Row Pole Slewing Ring Bearing For Komatsu PC650 / PC750 / Heavy Duty excavator

Model Establishment Description


For example, single row four point contact ball slewing bearing, Normal, Outer gear Diameter of rolling element 45mm, (Upper row) Diameter of track center 1250mm.The model is 011.45.1250


130.25.500366634148191
130.25.560426694148214
130.25.630496764148240
130.25.710576844148272
130.32.800636964182459
130.32.9007361064182519
130.32.11209561284182650
130.40.1250105514452201038
130.40.1400120515952201170
130.40.1600140517952201341
130.40.1800160519952201518
130.45.2000177922212311949
130.45.2240201924612312197
130.45.2500227927212312590
130.45.2800257930212312930
130.50.3150286834322704551
130.50.3550326838322705178
130.50.4000371842822705751
130.50.4500421847822706521

supply the below goods:


Bearing TypeBoundary dimensions (mm)Gear Teeth
NongearedExternal GearInternal GearDdHD1d1dnnn1H1hbm
010.20.250011.20.25033017060298202161825010404
010.20.280011.20.28036020060328232161825010404
010.25.315011.25.315013.25.31540822270372258182026010505
010.25.355011.25.355013.25.35544826270412298182026010505
010.25.400011.25.400013.25.40049330770457343182426010506
010.25.450011.25.450013.25.45054335770507393182426010506
010.30.500011.30.500013.30.50060239880566434182047010605
012.30.500014.30.50060239880566434182047010606
010.30.560011.30.560013.30.56066245880626494182047010605
012.30.560014.30.56066245880626494182047010606
010.30.630011.30.630013.30.63073252880696564182447010606
012.30.630014.30.63073252880696564182447010608
010.30.710011.30.710013.30.71081260880776644182447010606
012.30.710014.30.7108126088077664182447010608
010.40.800011.40.800013.40.800922678100878722223069010808
012.40.800014.40.8009226781008787222230690108010
010.40.900011.40.900013.40.9001022778100978822223069010808
012.40.900014.40.90010227781009788222230690108010
010.40.1000011.40.1000013.40.1000112287810010789222236690108010
012.40.1000014.40.1000112287810010789222236690108012
010.40.1120011.40.1120013.40.11201242998100119810422236690108010
012.40.1120014.40.11201242998100119810422236690108012
010.45.1250011.45.1250013.45.1250139011101101337116326405100109012
012.45.1250014.45.1250139011101101337116326405100109014
010.45.1400011.45.1400013.45.1400154012601101487131326405100109012
012.45.1400014.45.1400154012601101487131326405100109014
010.45.1600011.45.1600013.45.1600174014601101687151326455100109014
012.45.1600014.45.1600174014601101687151326455100109016



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Three Row Pole Industrial Turntable Bearings , Komatsu PC650 Ball Bearing Slewing Ring Images

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